adj. /stay"bil, -beuhl/ or, esp. Brit., /-buyl/ ; n. /stay"beel/ or, esp. Brit., /-buyl/ , adj.
1. fixed in position; stable.
2. Med. resistant to physical or chemical changes.
n.
3. a piece of abstract sculpture having immobile units constructed of sheet metal, wire, or other material and attached to fixed supports. Cf. mobile (def. 9).
[ 1790-1800; stabilis, equiv. to sta- (s. of stare to STAND) + -bilis -BLE ]